// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/display/win/scaling_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/win/test/screen_util_win.h"
#include "ui/gfx/geometry/rect.h"
namespace display {
namespace win {
namespace test {
namespace {
const wchar_t kFakeDisplayName[] = L"Fake Display";
internal::DisplayInfo CreateDisplayInfo(int x,
int y,
int width,
int height,
float scale_factor) {
MONITORINFOEX monitor_info = CreateMonitorInfo(gfx::Rect(x, y, width, height),
gfx::Rect(x, y, width, height),
kFakeDisplayName);
return internal::DisplayInfo(
monitor_info, scale_factor, 1.0f, Display::ROTATE_0, 60.0f,
gfx::Vector2dF(), DISPLAYCONFIG_OUTPUT_TECHNOLOGY_OTHER, std::string());
}
::testing::AssertionResult AssertOffsetsEqual(
const char* lhs_expr,
const char* rhs_expr,
const DisplayPlacement& lhs,
const DisplayPlacement& rhs) {
if (lhs.position == rhs.position &&
lhs.offset == rhs.offset &&
lhs.offset_reference == rhs.offset_reference) {
return ::testing::AssertionSuccess();
}
return ::testing::AssertionFailure() <<
"Value of: " << rhs_expr << "\n Actual: " << rhs.ToString() <<
"\nExpected: " << lhs_expr << "\nWhich is: " << lhs.ToString();
}
#define EXPECT_OFFSET_EQ(a, b) \
EXPECT_PRED_FORMAT2(AssertOffsetsEqual, a, b);
TEST(ScalingUtilTest, DisplayInfosTouchBottom) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(1, 2, 1, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(0, 2, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(1, 2, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(2, 2, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(3, 2, 2, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchLeft) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(0, 1, 1, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(0, 0, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(0, 1, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(0, 2, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(0, 3, 1, 2, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchTop) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(1, 0, 1, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(0, 0, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(1, 0, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(2, 0, 2, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 3, 1, 1.0f),
CreateDisplayInfo(3, 0, 2, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchRight) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(2, 1, 1, 1, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(2, 0, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(2, 1, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(2, 2, 1, 2, 1.0f)));
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 3, 1.0f),
CreateDisplayInfo(2, 3, 1, 2, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchBottomRightCorner) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(2, 2, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchBottomLeftCorner) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(0, 2, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchUpperLeftCorner) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(0, 0, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchUpperRightCorner) {
EXPECT_TRUE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(2, 0, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchNone) {
EXPECT_FALSE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(3, 1, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchNoneShareXAxis) {
EXPECT_FALSE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(5, 2, 1, 1, 1.0f)));
EXPECT_FALSE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(-2, 1, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, DisplayInfosTouchNoneShareYAxis) {
EXPECT_FALSE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(2, 3, 1, 1, 1.0f)));
EXPECT_FALSE(DisplayInfosTouch(CreateDisplayInfo(1, 1, 1, 1, 1.0f),
CreateDisplayInfo(0, -1, 1, 1, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacementNoScaleRight) {
// Top edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT, 0, DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(800, 0, 1024, 768, 1.0f)));
// Bottom edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
0,
DisplayPlacement::BOTTOM_RIGHT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(800, -168, 1024, 768, 1.0f)));
// Offset to the top
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
-10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(800, -10, 1024, 768, 1.0f)));
// Offset to the bottom.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(800, 10, 1024, 768, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacementNoScaleLeft) {
// Top edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-1024, 0, 1024, 768, 1.0f)));
// Bottom edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::BOTTOM_RIGHT),
CalculateDisplayPlacement(
CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-1024, -168, 1024, 768, 1.0f)));
// Offset to the top.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
-10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(
CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-1024, -10, 1024, 768, 1.0f)));
// Offset to the bottom.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-1024, 10, 1024, 768, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacementNoScaleTop) {
// Left edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(0, -768, 1024, 768, 1.0f)));
// Right edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
0,
DisplayPlacement::BOTTOM_RIGHT),
CalculateDisplayPlacement(
CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-224, -768, 1024, 768, 1.0f)));
// Offset to the right.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(10, -768, 1024, 768, 1.0f)));
// Offset to the left.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
-10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-10, -768, 1024, 768, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacementNoScaleBottom) {
// Left edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(0, 600, 1024, 768, 1.0f)));
// Right edge aligned.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
0,
DisplayPlacement::BOTTOM_RIGHT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-224, 600, 1024, 768, 1.0f)));
// Offset to the right
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(10, 600, 1024, 768, 1.0f)));
// Offset to the left
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
-10,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(0, 0, 800, 600, 1.0f),
CreateDisplayInfo(-10, 600, 1024, 768, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacementNoScaleOddDimensions) {
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
5,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(35, 72, 24, 24, 1.0f),
CreateDisplayInfo(59, 77, 7, 9, 1.0f)));
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
2,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(1, 7, 30, 40, 1.0f),
CreateDisplayInfo(-701, 9, 702, 2, 1.0f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacement1_5xScale) {
// Side by side to the right.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(900, 50, 1000, 700, 1.5f)));
// Side-by-side to the left.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(-900, 50, 1000, 700, 1.5f)));
// Side-by-side to the top.
// Note that -33 would be the normal enclosing rect offset.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
-34,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(50, -650, 1000, 700, 1.5f)));
// Side-by-side on the bottom.
// Note that -33 would be the normal enclosing rect offset.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
-34,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(50, 650, 1000, 700, 1.5f)));
// Side by side to the right.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(900, 50, 1000, 700, 1.5f)));
// Side-by-side to the left.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(-900, 50, 1000, 700, 1.5f)));
// Side-by-side to the top.
// Note that -33 would be the normal enclosing rect offset.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
-34,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(50, -650, 1000, 700, 1.5f)));
// Side-by-side to the bottom.
// Note that -33 would be the normal enclosing rect offset.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
-34,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(50, 650, 1000, 700, 1.5f)));
}
TEST(ScalingUtilTest, CalculateDisplayPlacement2xScale) {
// Side by side to the right.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(900, 50, 1000, 700, 2.0f)));
// Side-by-side to the left.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(-900, 50, 1000, 700, 2.0f)));
// Side-by-side to the top.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
-25,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(50, -650, 1000, 700, 2.0f)));
// Side-by-side on the bottom.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
-25,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 1.0f),
CreateDisplayInfo(50, 650, 1000, 700, 2.0f)));
// Side by side to the right.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::RIGHT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(900, 50, 1000, 700, 2.0f)));
// Side-by-side to the left.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::LEFT,
0,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(-900, 50, 1000, 700, 2.0f)));
// Side-by-side to the top.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::TOP,
-25,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(50, -650, 1000, 700, 2.0f)));
// Side-by-side to the bottom.
EXPECT_OFFSET_EQ(
DisplayPlacement(DisplayPlacement::BOTTOM,
-25,
DisplayPlacement::TOP_LEFT),
CalculateDisplayPlacement(CreateDisplayInfo(100, 50, 800, 600, 2.0f),
CreateDisplayInfo(50, 650, 1000, 700, 2.0f)));
}
TEST(ScalingUtilTest, SquaredDistanceBetweenRectsFullyIntersecting) {
gfx::Rect rect1(0, 0, 100, 100);
gfx::Rect rect2(5, 5, 10, 10);
EXPECT_EQ(-100, SquaredDistanceBetweenRects(rect1, rect2));
EXPECT_EQ(-100, SquaredDistanceBetweenRects(rect2, rect1));
}
TEST(ScalingUtilTest, SquaredDistanceBetweenRectsPartiallyIntersecting) {
gfx::Rect rect1(0, 0, 10, 10);
gfx::Rect rect2(5, 5, 20, 20);
EXPECT_EQ(-25, SquaredDistanceBetweenRects(rect1, rect2));
EXPECT_EQ(-25, SquaredDistanceBetweenRects(rect2, rect1));
}
TEST(ScalingUtilTest, SquaredDistanceBetweenRectsTouching) {
gfx::Rect ref(2, 2, 2, 2);
gfx::Rect top_left(0, 0, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top_left));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top_left, ref));
gfx::Rect top_left_partial_top(1, 0, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top_left_partial_top));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top_left_partial_top, ref));
gfx::Rect top(2, 0, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top, ref));
gfx::Rect top_right_partial_top(3, 0, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top_right_partial_top));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top_right_partial_top, ref));
gfx::Rect top_right(4, 0, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top_right));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top_right, ref));
gfx::Rect top_left_partial_left(0, 1, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, top_left_partial_left));
EXPECT_EQ(0, SquaredDistanceBetweenRects(top_left_partial_left, ref));
gfx::Rect left(0, 2, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, left));
EXPECT_EQ(0, SquaredDistanceBetweenRects(left, ref));
gfx::Rect bottom_left_partial(0, 3, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, bottom_left_partial));
EXPECT_EQ(0, SquaredDistanceBetweenRects(bottom_left_partial, ref));
gfx::Rect bottom_left(0, 4, 2, 2);
EXPECT_EQ(0, SquaredDistanceBetweenRects(ref, bottom_left));
EXPECT_EQ(0, SquaredDistanceBetweenRects(bottom_left, ref));
}
TEST(ScalingUtilTest, SquaredDistanceBetweenRectsOverlapping) {
gfx::Rect ref(5, 5, 2, 2);
gfx::Rect top_left_partial_top(4, 0, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, top_left_partial_top));
EXPECT_EQ(9, SquaredDistanceBetweenRects(top_left_partial_top, ref));
gfx::Rect top(5, 0, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, top));
EXPECT_EQ(9, SquaredDistanceBetweenRects(top, ref));
gfx::Rect top_right_partial(6, 0, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, top_right_partial));
EXPECT_EQ(9, SquaredDistanceBetweenRects(top_right_partial, ref));
gfx::Rect top_left_partial_left(0, 4, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, top_left_partial_left));
EXPECT_EQ(9, SquaredDistanceBetweenRects(top_left_partial_left, ref));
gfx::Rect left(0, 5, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, left));
EXPECT_EQ(9, SquaredDistanceBetweenRects(left, ref));
gfx::Rect bottom_left_partial(0, 6, 2, 2);
EXPECT_EQ(9, SquaredDistanceBetweenRects(ref, bottom_left_partial));
EXPECT_EQ(9, SquaredDistanceBetweenRects(bottom_left_partial, ref));
}
TEST(ScalingUtilTest, SquaredDistanceBetweenRectsDiagonals) {
gfx::Rect ref(5, 5, 2, 2);
gfx::Rect top_left(0, 0, 2, 2);
EXPECT_EQ(18, SquaredDistanceBetweenRects(ref, top_left));
EXPECT_EQ(18, SquaredDistanceBetweenRects(top_left, ref));
gfx::Rect top_right(10, 0, 2, 2);
EXPECT_EQ(18, SquaredDistanceBetweenRects(ref, top_right));
EXPECT_EQ(18, SquaredDistanceBetweenRects(top_right, ref));
}
} // namespace
} // namespace test
} // namespace win
} // namespace display
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